St Birinus School, previously known as Didcot Boy's County Modern and Didcot Senior Boys, is a boys' comprehensive academy in Didcot, Oxfordshire, England. St Birinus was founded in 1936 as a secondary modern before becoming a comprehensive in 1973. In September 2012 the school became an academy with the same name. St. Birinus' key catchment area includes the town of Didcot and the surrounding rural area, from Harwell in the west to South Moreton in the east and from Long Wittenham in the north to Chilton in the south, however the school also caters for parents in other parts of Oxfordshire who wish their children to be educated in a single-sex environment. As of January 2016 the headteacher is John Marston. The school is a dual specialist technology college and language college.